JollyBee Dictionary is an English-Vietnamese and Vietnamese-English dictionary and supports learning English via Flashcards and English for specialization fields.

JollyBee has more than 400.000 English-Vietnamese words, 150.000 Vietnamse-English dictionaries.

Especially, JollyBee allows you cross searching any English words inside app with one touch.

Beside searching words, app has some more features support learning English like:

* Irregular verbs
* The most common 1000 TOEIC words.
* The most important 900 IELTS words
* The most required 1500 TOEFL words
* The most common 2000 English words
* The first 1000 English words
* List 1000 Sight Words
* Vocabularies for Construction Industry
* Vocabularies for Economics
* Vocabularies for Accounting
* Vocabularies for Financial and Banking
* Vocabularies for Office
* Vocabularies for Tourism
* Vocabularies for Electrical
* Vocabularies for Chemistry
* Vocabularies for Mechanical
* Từ vựng chuyên ngành Y học Vocabularies for Medicine
* Support learning English with many Flashcards and Sentences topics include more than 20 small games.